diff --git a/Gemfile b/Gemfile
index 62187ab..738bf73 100644
--- a/Gemfile
+++ b/Gemfile
@@ -55,5 +55,5 @@ group :test do
   gem "capybara"
   gem "selenium-webdriver"
 end
-gem "shakapacker", "~> 8.3"
+gem "shakapacker", "~> 9.0"
 gem "react_on_rails", "~> 16.1.1"
diff --git a/Gemfile.lock b/Gemfile.lock
index 5328ad6..0fe5042 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -106,7 +106,7 @@ GEM
     dotenv (3.1.8)
     drb (2.2.3)
     ed25519 (1.4.0)
-    erb (5.0.2)
+    erb (5.0.3)
     erubi (1.13.1)
     et-orbi (1.3.0)
       tzinfo
@@ -191,7 +191,7 @@ GEM
     parser (3.3.9.0)
       ast (~> 2.4.1)
       racc
-    pp (0.6.2)
+    pp (0.6.3)
       prettyprint
     prettyprint (0.2.0)
     prism (1.4.0)
@@ -249,9 +249,10 @@ GEM
       zeitwerk (~> 2.6)
     rainbow (3.1.1)
     rake (13.3.0)
-    rdoc (6.14.2)
+    rdoc (6.15.0)
       erb
       psych (>= 4.0.0)
+      tsort
     react_on_rails (16.1.1)
       addressable
       connection_pool
@@ -301,7 +302,7 @@ GEM
       rubyzip (>= 1.2.2, < 4.0)
       websocket (~> 1.0)
     semantic_range (3.1.0)
-    shakapacker (8.4.0)
+    shakapacker (9.0.0)
       activesupport (>= 5.2)
       package_json
       rack-proxy (>= 0.6.1)
@@ -393,7 +394,7 @@ DEPENDENCIES
   react_on_rails (~> 16.1.1)
   rubocop-rails-omakase
   selenium-webdriver
-  shakapacker (~> 8.3)
+  shakapacker (~> 9.0)
   solid_cable
   solid_cache
   solid_queue